Final answer:
The correct order for drawing the tubes is light blue, red, lavender, and green. Each tube is used for specific laboratory tests.
Step-by-step explanation:
The correct order for drawing the tubes would be:
- Light blue
- Red
- Lavender
- Green
When drawing blood for laboratory testing, it is important to follow a specific order. The light blue tube is typically used for coagulation testing, such as Prothrombin Time (PT) and Partial Thromboplastin Time (PTT).
The red tube is used for a variety of tests including blood chemistry, blood bank, and serology. The lavender tube is used for hematology testing, specifically for a complete blood count (CBC) and blood cell morphology. Lastly, the green tube is used for blood chemistry testing, specifically for plasma determinations.